What question can you never answer yes to?

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Which of these can an adverbial clause modify?

Modernist poets were concerned with many issues and used their poetry to express their concerns. which item from this list was not one of their concerns? a.corruption of traditional american values b.brutality of wwi c.the effects of the great depression d.crowded, crime-ridden city life e.alienation of the individual

Apply the ideas of the plain language movement to make the paragraph under "before" in section i more user-friendly.